/* By YZBruh */

/**
 * Copyright 2024 Partition Manager
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>
#include <stdint.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>
#include <sys/stat.h>
#include <errno.h>

#include "include/pmt.h"

extern bool pmt_use_cust_cxt;
extern bool pmt_ab;
extern bool pmt_logical;
extern bool pmt_force_mode;
extern char *cust_cxt;

/* check parts */
void check_psf()
{
    struct stat abinf;
    /* true = ab | false = a */
    if (pmt_use_cust_cxt)
    {
        static char cust_cxt_ck_path[150];
        sprintf(cust_cxt_ck_path, "%s/boot_a", cust_cxt);
        if (stat(cust_cxt_ck_path, &abinf) != 0)
        {
            pmt_ab = false;
        } else {
            pmt_ab = true;
        }
    } else {
        if (stat("/dev/block/by-name/boot_a", &abinf) != 0)
        {
            pmt_ab = false;
        } else {
            pmt_ab = true;
        }
    }

    struct stat logcinf;
    /* true = logical | false = classic */
    if (pmt_use_cust_cxt)
    {
        static char cust_cxt_ckl_path[150];
        sprintf(cust_cxt_ckl_path, "%s/super", cust_cxt);
        if (stat(cust_cxt_ckl_path, &logcinf) != 0)
        {
            pmt_logical = false;
        } else {
            pmt_logical = true;
        }
    } else {
        if (stat("/dev/block/by-name/super", &logcinf) != 0)
        {
            pmt_logical = false;
        } else {
            pmt_logical = true;
        }
    }
}

/* root checker function */
void check_root()
{
    /* a quick, easy method to verify root :D */
    if (chdir("/dev/block") != 0)
    {
        if (!pmt_force_mode)
        {
            fprintf(stderr, ANSI_RED "Root privileges could not be detected! Please run this binary with root. Error reason: %s\n" ANSI_RESET, strerror(errno));
            exit(27);
        } else {
            exit(27);
        }
    }
}

#ifdef __cplusplus
}
#endif

/* end of code */